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Rhino is a general term for mammalian Rhinocerotidae, mainly distributed in the Africa and Southeast asia. The biggest animal is Perissodactyla, also after the elephants large terrestrial animal. All the rhinoceros basically is short legs, body stout. Body fat and clumsy, body length of 2.2 ~ 4.5 meters, shoulder high 1.2 ~ 2 meters; weight 2800 ~ 3000 kg, thick rough, and into folds are arranged on the shoulder and waist etc.; indumentum thin and hard, or even large glabrous; ear was oval, a large head and long, short and thick neck, long lip extending the head; solid horn or double angle (some no female angle), originated in the dermis, angle off can still life; no canine; tail short and thin body, yellow, brown, black or gray.